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Javascript code to show how to sort array of objects by object properties.
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!function() { | |
function _dynamicSortMultiple(attr) { | |
/* | |
* save the arguments object as it will be overwritten | |
* note that arguments object is an array-like object | |
* consisting of the names of the properties to sort by | |
*/ | |
var props = arguments; | |
return function (obj1, obj2) { | |
var i = 0, result = 0, numberOfProperties = props.length; | |
/* try getting a different result from 0 (equal) | |
* as long as we have extra properties to compare | |
*/ | |
while(result === 0 && i < numberOfProperties) { | |
result = dynamicSort(props[i])(obj1, obj2); | |
i++; | |
} | |
return result; | |
} | |
} | |
function _dynamicSort(property) { | |
var sortOrder = 1; | |
if(property[0] === "-") { | |
sortOrder = -1; | |
property = property.substr(1); | |
} | |
return function (a,b) { | |
var result = (a[property] < b[property]) ? -1 : (a[property] > b[property]) ? 1 : 0; | |
return result * sortOrder; | |
} | |
} | |
Object.defineProperty(Array.prototype, "sortBy", { | |
enumerable: false, | |
writable: true, | |
value: function() { | |
return this.sort(_dynamicSortMultiple.apply(null, arguments)); | |
} | |
}); | |
}(); | |
var People = [ | |
{ Name: 'Andi', Surname: 'Schaefer' }, | |
{ Name: 'Mike', Surname: 'Meyers' }, | |
{ Name: 'Alim', Surname: 'Sinuk' } | |
]; | |
console.log(People.sortBy("Name", "-Surname")); |
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